In 10-inch skillet over medium heat, in hot salad oil, cook onion, pepper, and 3 tablespoons water until vegetables are tender and liquid evaporates; remove from heat. Stir in creamed spinach, corn, and eggs.

Preheat oven to 350 degrees F. Grease 11" by 7" glass baking dish. Into baking dish, spoon half of the spinach mixture; top with half of the cheese; repeat with remaining spinach and cheese.

Cover dish with foil; bake 30 minutes. Remove foil and bake 25 minutes longer or until knife inserted in center comes out clean and top is lightly browned.

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